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Teachers' Lounge Discussion: Code breaking - History

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From: monika <monika30gyan>
To: Teacher2Teacher Public Discussion
Date: 2006120117:20:12
Subject: Re: a algorithm

On 2004111014:00:48, Ivan wrote:
>I friend gave my a problem to solve, he wrote a function and this is
>the output >	
>position/numbers - 92 series /300k 
>
>1, 0, 2, 1, 0, 3, 1, 4,
>7, 8, 6, 8, 2, 0, 9, 5,
>8, 2, 9, 2, 9, 1, 5, 2,
>0, 2, 5, 9, 6, 4, 1, 4,
>
>// second portion
>
>7, 4, 6, 6, 4, 2, 9, 2, 
>3, 5, 5, 6, 2, 7, 6, 2,
>1, 0, 8, 6, 4, 2, 0, 0,
>6, 0, 5, 0, 8, 1, 4, 1,
>
>// third portion
>
>8, 2, 2, 3, 4, 2, 8, 7,
>3, 7, 2, 3, 0, 9, 0, 3,
>8, 6, 1, 1, 0, 6, 9, 5,
>9, 7, 2, 2, 8, 1, 7, 5,
>
>// checksum
>16/12/22/20/17/8/16/15
>17/9/24/18/18/12/19/5
>28/22/7/9/12/18/24/20
>__________________________
>61/43/53/47/47/38/59/40
>
>-> does anyone know how could i reconstruct the original function?
>
>thanks
>



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